←vCenter 6.0 Installation and Configuration Part-5 vCenter Server Appliance upgrade from 5.5 to 6.0.Upgrade to Microsoft Edge to take advantage of the latest features, security updates, and technical support. CVVD driver may crash while doing live browse. Kerberos cache file may keep reverting to root may cause Hadoop backup to fail. The latest date with valid data on recovery points may show 'No backups available' in Command center.